January 2011.
Colney Training Base in northern London.
Arsenal manager Wenger stood on the training ground, watching the team's training with rapt attention.
His trusted assistant, Pat Rice, was leading Arsenal's players through endless tactical drills for the upcoming clash.
The Arsenal players had been split into two groups. One was the starting lineup, while the other was clearly simulating their upcoming opponents, Man City. The two forwards starting for the second group were Danish center forward Bentner and Moroccan center forward Chamakh. It looked as though they were trying to imitate Su Dong's performance as closely as possible.
Over the previous two days, Bentner and Chamakh had taken turns leading the attack. But Wenger felt that a lone center forward did not place enough pressure on the defense, so he had decided to field them together today.
Surely the pressure brought by two center forwards couldn't be less than that of Su Dong alone, could it?
On the training ground, the players representing the starting lineup always fell back immediately after losing the ball, adopting a compact defensive shape. Their formation had also changed from the previous 4-3-3 to a 4-4-2, forming three defensive lines.
Assistant coach Pat Rice kept shouting various coded instructions from the sideline. The one he shouted most often was...
"Quick, quick, quick! Su Dong's zone!"
Whenever Pat Rice shouted that, the team immediately switched formations.
The four defenders dropped back toward the goal. Djourou and Koscielny took up positions in front of the net, as expected, while the two fullbacks, Clichy and Sagna, also retreated into the defensive line. In midfield, Alexandre Song and Denilson dropped deepest to form a double pivot.
The two original wingers immediately followed Man City's two fullbacks and quickly fell back into midfield, joining Alexandre Song and Denilson to